In this April 19, 2016 photo, Airbnb co-founder and CEO Brian Chesky speaks during an event in San Francisco. Airbnb is following up its Super Bowl ad on Feb. 5, 2017, calling for acceptance with a campaign to provide short-term housing over the next five years for 100,000 people in need. Photo: AP Photo/Jeff Chiu, File  / Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu